JPH07224508A - Stairs - Google Patents

Abstract

PURPOSE:To form a sturdy backing material of a handrail wall for stairs with good workability and facilitate the layout of concrete plates. CONSTITUTION:Stairs are composed of a steel stair base body 2 provided with protruded support plates 6 at the outer face of open strings 4, and a plurality of rectangular backing frames 3A-3E of handrails provided with external frame materials. In adjacent backing frames 3A-3E of handrails, the external frame material 14, 14 holding the support plate 6 are bolted together and backing frames 3B-3D of handrails in which lower frame materials 13 are bolted with erected peices 16 of metal fittings 17 for sills fixed on a continuous footing, are included.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stairway device capable of forming a handrail wall of a staircase having high strength and good appearance with a simple structure and good workability.

[0002]

2. Description of the Related Art A staircase using an outdoor steel frame provided in, for example, an apartment house is usually made up by a handrail wall rising from the ground along one side plate (girder plate).

[0003]

What is required of such a handrail wall is that it can be formed with a simple structure and good workability. Strong enough. Good looking.

In addition to the above, in order to effectively utilize the space below the stairs, it is possible to efficiently form an entrance portion for entering and exiting this space.

However, under the present circumstances, what has sufficiently satisfied such a request has not been developed.

The present invention is based on a steel stair base and a plurality of handrail base frames bolted to each other, and is capable of forming a handrail wall having high strength with a simple structure and good workability. The purpose is to provide.

[0007]

In order to achieve the above object, a stairway device of the present invention is a staircase in which step plates are integrally provided between girder plates and support plates perpendicular to the outer surface of the girder plates are spaced apart from each other. Rectangle with a vertical vertical frame member that connects the upper and lower frame members, including the outer frame member that connects both ends of the staircase base, protruding at a height that matches the inclination of The handrail base frames adjacent to each other are bolted to each other, and the handrail base frame has a lower frame member on the cloth foundation. Includes a handrail base frame that is bolted to the standing piece of the base metal fixture fixed to.

It is desirable that the outer surface of the handrail base frame be made of concrete.

Further, the staircase base body is provided with a frame mounting metal fitting at the lower end thereof, which has a rising plate vertically rising from a bottom plate bolted to the cloth foundation and having a projecting piece for fixing the lowermost handrail base frame. Is desirable.

Further, the staircase base body is attached to the upper end of the handrail base frame, and the lower end of the handrail base frame is interrupted at an intermediate height.
It is desirable to form an inlet section that goes in and out of the step body.

[0011]

As described above, the staircase device comprises a steel staircase base body in which a supporting plate perpendicular to the outer surface of the girder plate is projected, and a plurality of rectangular handrail base frames, and adjacent handrail base frames are The outer frame members sandwiching the support plate are bolted to each other, and the handrail base frame includes one in which the lower frame member is bolted to an upright piece of a base metal member fixed on a cloth foundation. Therefore, the handrail base frame that can form the base of the handrail wall of the stairs can be firmly joined to the stair base by using bolts, and together with the handrail base frame that is bolted to the base metal fitting, the handrail wall base can be formed. It can be formed with a simple structure, which can improve the workability and increase the strength thereof.

Further, by attaching a concrete plate for makeup to the outer surface of the handrail base frame, the appearance of the handrail wall can be enhanced, and at the lower end of the staircase base, bolted to the cloth foundation and Since the base of the handrail wall is reinforced by arranging the frame fittings for fixing the lower handrail base frame, the increase in strength can be further promoted and sufficient strength as the handrail wall can be secured.

Further, by interrupting the lower end of the handrail base frame which is attached to the upper end of the staircase base body at the middle of the height, it is possible to efficiently form an inlet portion for entering and exiting the space below the staircase base body, and to effectively use the space. It can be used.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the figure, a staircase device 1 of the present invention comprises a staircase base body 2 made of steel and a plurality of, in this embodiment, five rectangular handrail base frames 3.
A, 3B, 3C, 3D, 3E.

As shown in FIGS. 3 and 4, the steel staircase base body 2 is arranged integrally with vertical girder plates 4 and 4 extending in accordance with the inclination of the staircase A and by welding or the like therebetween. The step plate 5 ..., the shroud 22 ...
Vertically and rectangular support plates 6 are provided on the outer surface of the above so as to be spaced apart from each other and have a height matching the inclination of the stairs A. In this specification, "outside" means a direction opposite to the direction in which the girder plates 4, 4 face each other.

A frame fitting 7 is arranged at the lower end of the staircase base 2. The frame fitting 7 includes a horizontal and rectangular bottom plate 9 bolted onto the cloth base F by using a screw shaft 23 embedded in the cloth base F, and an outer edge of the bottom plate 9 extending from the outer edge. Upright plate 10 of a relatively tall shape (for example, about 1 m) in the shape of a rectangular plate that rises vertically and vertically, and a pair of vertical and rectangular projecting pieces protruding outward from the upper ends of both side edges of the upright plate 10. 11 and 11.

Further, the rising plate 10 of the frame mounting member 7
The vertical notch edge 24a and the oblique notch edge 24b that is inclined according to the inclination of the stair A are formed by notching the other side edge that is parallel to the one side edge that rises from the bottom plate 9. And a vertical side edge 4a of the lower end of the girder plate 4 and the vertical notch edge 24a are welded together, and the upper edge 4b of the girder plate 4 and the oblique notch edge are formed. Girder plate 4 of staircase base body 2 by welding with 24b
Prior to the work of fixing the staircase base body 2 to the cloth foundation F, the frame mounting metal fitting 7 is attached to the lower end in advance.

As shown in FIGS. 3 and 8, in the staircase base body 2 to which the frame mounting member 7 is previously attached, the bottom plate 9 of the frame mounting member 7 is placed on the cloth foundation F and in the vicinity of one end thereof. The screw shaft 23 is passed through the hole 9a of the bottom plate 9 and bolted by tightening a nut to fix the lower end of the staircase base body 2, and the upper end of the staircase base body 2 is supported by a beam member 25 made of, for example, a lattice beam. It is supported by attaching the upper ends of the plates 4 and 4 by using a suitable fitting not shown.

The other end of the cloth foundation F extending below the girder plate 4 is located below the staircase base 2 with another cloth foundation FA whose end is located substantially below the beam 25. Ends with a gap G for forming the entrance E for entering and leaving the space S.

The handrail base frames 3A, 3B, 3C, 3
As shown in FIGS. 2 to 4, D and 3E are made of channel steel, and the horizontal upper and lower frame members 12 and 13 are disposed above and below with their groove portions facing each other. A rectangular peripheral frame 26A, 26B, 26C made of steel and arranged vertically with its groove portions facing each other and consisting of outer frame members 14, 14 joining both ends of the upper and lower frame members 12, 13. 26D,
With 26E. Further, the upper and lower frame members 12, 13 are joined by a pair of vertical inner frame members 27, 27 made of channel steel in addition to the outer frame members 14, 14. Therefore, in the handrail base frames 3A, 3B, 3C, 3D, and 3E, the upper and lower frame members 12 and 13 are the outer frame members 14 and 14 joining both ends thereof.
And a vertical vertical frame member 15 including the outer frame member 14 and the inner frame member 27.

The five handrail base frames 3A, 3B,
3C, 3D, 3E have heights H1, H2, H3, H
4 and H5 are different from each other. That is, to give a specific example, the height H1 of the handrail base frame 3A is 2025 mm, the height H2 of the handrail base frame 3B is 2625 mm, and the handrail base frame 3
Height H3 of C is 3225 mm, height H of handrail base frame 3D
4 is 3825 mm, and the height H5 of the handrail base frame 3E is 291.
It is set to 8 mm respectively. Heights H1, H2, H3, H
4, H5 can be changed appropriately.

Such handrail base frames 3A, 3B, 3
C, 3D and 3E are firmly fixed to the staircase base body 2 by using bolts, whereby a strong base of the handrail wall W shown in FIGS. 1 and 8 is formed with a simple structure.

The handrail base frame 3A arranged at the lowermost stage is provided with the frame member 13 under the handrail base frame 3A in close proximity to the upper surface of the cloth foundation F, as shown by a chain line in FIG. Are erected outside the girder plate 4 of the staircase base 2 by bolting to the projecting pieces 11, 11 of the frame mounting bracket 7, respectively, and the handrail base frame 3B adjacent to the handrail base frame 3A is , The lower frame of the handrail base frame 3A is aligned with the lower end of the handrail base frame 3A, and the supporting plate 6 is sandwiched between the outer frame members 14, 14 of the handrail base frames 3A, 3B adjacent to each other. Are erected by bolting them together with the support plate 6. Further, the frame material 13 under the handrail base frame 3B is a base metal fitting 17 having an L-shaped cross section, which is formed by raising the standing piece 16 from the outer edge of the horizontal and oblong rectangular base piece 29 fixed to the cloth foundation F by bolts. It is bolted to the standing piece 16.
As shown in FIG. 4, the base piece 29 of the base metal fitting 17 has an extension portion 29A extending from the standing piece 16 toward the frame attachment metal fitting 7, and the base piece 2 also extends in this extension portion 29A.
By bolting 9 to the cloth foundation F, the mounting strength of the base metal fitting 17 is increased.

Further, the handrail base frame 3A can have its mounting strength increased by the frame mounting bracket 7, which contributes to forming a strong base of the handrail wall W.

The handrail base frame 3C adjacent to the handrail base frame 3B, the handrail base frame 3D adjacent to the handrail base frame 3C, and the handrail base frame 3E adjacent to the handrail base frame 3D are similarly processed. The outer frame members 14 sandwiching the support plate 6 are connected together by bolting together the support plate 6 and the handrail base frame 3
The frame members 13, 13 under each of C and 3D are bolted to the standing piece 16 of the base metal fitting 17.

The lower end of the uppermost handrail base frame 3E attached to the upper end of the staircase base 2 is, for example, 14 from above the cloth foundation F.
Since it is arranged at a height position of 60 mm above, it is interrupted at a substantially middle height, whereby the inlet E for entering and exiting below the staircase base 2 can be formed in cooperation with the gap G,
The space S below the staircase base 2 can be conveniently utilized.

In this way, the handrail base frames 3A, 3B, 3
C, 3D, and 3E are handrail base frames 3B, 3C, and 3D in which the lower frame material 13 is bolted to the standing piece 16 of the base metal fitting 17.
And frame members 1 outside the handrail base frames 3A to 3E adjacent to each other
.. is fixed with the bolts sandwiching the support plate 6, the base of the handrail wall W having high strength can be formed with a simple structure and good workability.

Further, each handrail base frame 3A, 3B, 3C, 3
As shown in FIG. 6, the adjacent outer frame members 14 and 14 of D and 3E are bolted to each other via the spacer 30 in addition to the support plate 6 to increase the bonding strength thereof.

Further, as shown in FIGS. 2 and 3, a narrow and rectangular handrail base frame 31 is provided on the uppermost handrail base frame 3E, and the handrail base and the outer frame member 14 sandwiching the support plate 6 are provided. The upper and lower surfaces of the frame 31 are attached to each other by bolting the vertical outer frame member 32 to each other.

A handrail base frame 33 having a small width is fixed to the outer frame member 14 of the handrail base frame 3D on the side of the entrance E by using bolts. The handrail base frame 33 is shown in FIGS.
As shown in FIG. 3, a base 34 is formed by bending a metal plate, and an L-shaped upper plate 35 and a lower plate 36 are welded to the upper end and the lower end, respectively. As shown in FIG. 7, the base 34 includes a spacer 3 on the frame member 14 outside the handrail frame member 3D.
A vertically long rectangular mounting piece 39 bolted via 7.
Base piece 4 extending from the outer edge of the attachment piece 39 to the entrance E side
0 and the protruding piece 4 extending inward from the side edge of the base piece 40
1, the inner piece 42 extending from the inner edge of the projecting piece 41 in the direction facing the base piece 40, the inner piece 42 extending from the inner edge of the mounting piece 39 to the inlet E side, and to the outer frame member 14 of the inner piece 42. An inner protruding piece 43 terminating outside the facing side edge, and an inner protruding piece 43 extending outward from the side edge of the inner piece 42.
Inner protrusion 4 that forms a working hole 44 for bolting between
It consists of 5.

The handrail base frame 33 has a base piece 40.
Is aligned with the outer surfaces of the handrail base frames 3A to 3E, and the attachment piece 39 is bolted to the outer frame member 14 with the spacer 37 interposed therebetween, whereby the handrail base frame 3D is firmly attached. . The lower end of the handrail base frame 33 is aligned with the lower ends of the handrail base frames 3A, 3B, 3C, 3D, and the upper end is close to the lower surface of the handrail base frame 3E.

Further, the handrail base frames 3A, 3B, 3C, 3
The upper ends of D and 3E have heights H1, H2, H3, and H, respectively.
By setting 4 and H5 differently as described above,
As shown in FIG. 5, the distances D1, D2, D3 between the upper ends of the handrail base frames 3A to 3D that are arranged in a stepwise manner and are adjacent to each other are shown.
Can be set to 600 mm, for example. In addition, handrail base frame 3
The distance D4 between the upper ends of D and 3E is, for example, 524 mm.

Handrail base frames 3A, 3B, 3C, 3D, 3
The outer surface of E is made up by a plurality of concrete plates 19 ..., thereby forming the handrail wall W. As this concrete board 19, a lightweight cellular concrete panel,
A so-called ALC panel is preferably adopted. The concrete plate 19 ... has a height H of 600 m specified by JIS.
A rectangular plate having dimensions of m and length L of 1800 mm is mainly used.

Therefore, as shown in FIG.
180 on the outer surface of the stepped handrail base frames 3A, 3B, 3C, 3D, 3E in which 1, D2, D3 are set to 600 mm.
Concrete board with standardized dimensions of 0 mm x 600 mm 1
It is possible to easily assign and attach 9 ...
… By aligning the joints vertically and horizontally, the handrail wall W
Can enhance the appearance of.

The step-shaped upper end of the handrail wall W is finished by the head members 46 attached to the upper ends of the handrail base frames 3A to 3E, and the head members 4 arranged vertically.
Between 6 and 46, an appropriate finishing material 47 is provided on the outer frame material 1
4 are arranged. The concrete plate 20 made of an ALC panel is attached to the outer surface of the base piece 40 of the handrail base frame 33, and the upper end of the entrance / exit E is finished by a parting member 49 attached to the lower end of the handrail base frame 3E.

Further, as shown in FIG. 8, the interior plate 5 is located above the stairs A on each inner surface of the handrail base frames 3A to 3E.
0 is attached to finish the inside of the handrail wall W.

In the present invention, the number of handrail base frames can be appropriately increased or decreased, and the height thereof can be changed.

[0038]

As described above, the staircase device of the present invention includes a staircase base body made of steel and an outer frame member which is bolted to each other with a supporting plate projecting from the outer surface of the staircase base plate sandwiched therebetween. It consists of a plurality of rectangular handrail underframes, and since this handrail underframe includes a handrail underframe that is bolted to a standing piece of a base metal fitting fixed on a cloth foundation, it has a simple structure and is strong against handrail walls. The base of can be efficiently formed and the workability can be improved, and since the handrail base frame has a rectangular shape,
In addition to being able to form the base of the handrail wall in a stepped manner, facilitating the allocation to the outer surface of the handrail base frame of a concrete concrete plate for makeup standardized in a rectangular shape, and improving the workability of its installation, It can improve the appearance of the handrail wall.

Further, by fixing the bottom railing base frame to the frame mounting metal fitting arranged at the lower end of the stairs base and bolted to the cloth foundation, the strength of the base of the handrail wall can be further increased and the reliability can be improved. In addition, by discontinuing the lower end of the handrail base frame that is attached to the upper end of the staircase base at the middle of the height, it is possible to efficiently form an entrance part that goes in and out of the staircase base, and to create a space below the staircase base. It can be used effectively.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a front view illustrating an arrangement state of a handrail base frame.

FIG. 3 is a partial perspective view showing an embodiment of the present invention.

FIG. 4 is a partially exploded perspective view thereof.

FIG. 5 is a perspective view showing another example of a handrail base frame.

FIG. 6 is a partially enlarged front view showing the joint structure of the handrail base frame.

FIG. 7 is a partially enlarged front view showing the joint structure of the handrail base frame.

FIG. 8 is a rear view of FIG.

[Explanation of symbols]

 2 stairs base 3A, 3B, 3C, 3D, 3E handrail base frame 4 girder plate 5 step plate 6 support plate 7 frame mounting bracket 9 bottom plate 10 rising plate 11 projecting piece 12 upper frame material 13 lower frame material 14 outside Frame material 15 Vertical frame material 16 Standing piece 17 Base metal fittings 19 Concrete board E Inlet part F Cloth foundation

Claims (4)

[Claims] 1. A stair base body made of steel, wherein step plates are integrally provided between the girder plates, and support plates perpendicular to the outer surface of the girder plates are projected at a height corresponding to the inclination of the stairs at intervals. The upper and lower frame materials,
It is composed of a plurality of rectangular handrail base frames provided with vertical vertical frame members that vertically connect to each other including the outer frame members that connect both ends thereof, and adjacent handrail base frames are the outer ones sandwiching the support plate. The stairway device is characterized in that the frame members are bolted to each other, and the handrail base frame includes a handrail base frame in which the lower frame member is bolted to the standing piece of the base metal fitting fixed on the cloth foundation. . 2. The stairway device according to claim 1, wherein an outer surface of the handrail base frame is made up with a concrete plate. 3. The stair base body has a frame mounting metal fitting at its lower end, which has a rising plate vertically rising from a bottom plate bolted to the cloth foundation and further having a projecting piece for fixing the lowermost handrail base frame. The stairway device according to claim 1, wherein the stairway device is provided. 4. The staircase base body is provided with an entrance part which goes in and out below the staircase base body when the lower end of the handrail base frame attached to the upper end of the staircase base body is interrupted at an intermediate height. Stairs equipment.